(共25张PPT)
9B Unit 4 Grammar
Using it as the empty subject
Let's enjoy a video and recall what we've learnt about it before.
I am the ocean. I'm water.
I'm most of this planet. I shaped it.
Every stream, every cloud, and every raindrop.
It all comes back to me.
subject
object
I covered this entire planet once.
And I can always cover it again.
What time was it when there was a pool of water in Kevin's bedroom
It was nine o’clock.
It is one o'clock.
time
It is summer now.
1
season
It rained all day.
It is only a five-minute walk from my home to the school.
It is hot in this room.
weather
distance
temperature
Using it as the empty subject
2015
2016
2018
在经过自己不懈的努力后可以领略到别人看不到的景色
在经过自己不懈的努力后可以领略到别人看不到的景色
在经过自己不懈的努力后可以领略到别人看不到的景色
在经过自己不懈的努力后可以领略到别人看不到的景色
Answer the questions using it as the subject.
1. What is the weather like today
___________________________
It is sunny.
2. What is the time now
_____________________
It is one o’clock.
A
2016
2018
在经过自己不懈的努力后可以领略到别人看不到的景色
在经过自己不懈的努力后可以领略到别人看不到的景色
在经过自己不懈的努力后可以领略到别人看不到的景色
March
3. What is the date today
___________________________
It is March 25.
4. What is the season now
______________________
It is spring.
300 m
5. How far is your home from school
_______________________
It is 300 metres.
Put the words in the correct order to make meaningful sentences.
1. now / for supper / it / time / is
_____________________________________
2. autumn / in Australia / now / it / is
_____________________________________
3. about five kilometres / it / is / to the park
_____________________________________
4. windy / was / it / yesterday
_____________________________________
It is time for supper now.
It is autumn in Australia now.
It is about five kilometres to the park.
It was windy yesterday.
B
After Kevin sent his father an email about the flood, what did his father reply to Kevin
We can also use it as the empty subject of a sentence to replace a to-infinitive.
It’s important to stick with it.
2
To stick with it is important.
not common
It took us a long time to build the house.
3
4
1
It takes sb. time to do sth.
It is n. to do sth.
It is adj. for sb. to do sth.
It is adj. of sb. to do sth.
It is not a good idea to eat junk food.
It is important for us to learn English.
It is kind of you to help me.
2
pleasure/honour/duty/good idea...
勇明笨善礼：brave, clever/smart, silly/stupid/foolish, kind, polite...
重难必安危：important, difficult/hard/easy, necessary, safe, dangerous...
It is + fun /no use / no good + doing …
it→
to do
2016
在经过自己不懈的努力后可以领略到别人看不到的景色
在经过自己不懈的努力后可以领略到别人看不到的景色
C
Write a sentence using it and a to-infinitive under each picture below.
It is important to stay calm when there is a fire.
It is dangerous to start a fire in the forest.
2016
在经过自己不懈的努力后可以领略到别人看不到的景色
在经过自己不懈的努力后可以领略到别人看不到的景色
It is a good idea to take an umbrella.
It is nice to have a picnic in the park.
After Kevin shouted loudly about the flood, what did people do
They sat and stared at their computer screens. It seemed that they did not want to leave.
We can also use it as the empty subject in the following sentence pattern:
It seems/appears that … (看来似乎......)
It seems/appears that it is going to rain.
3
2016
在经过自己不懈的努力后可以领略到别人看不到的景色
在经过自己不懈的努力后可以领略到别人看不到的景色
It seems/appears that she is in good mood.
It seems/appears that he is too tired.
2016
在经过自己不懈的努力后可以领略到别人看不到的景色
在经过自己不懈的努力后可以领略到别人看不到的景色
Put the words in brackets in the correct order to complete the conversations.
D
1. S1: Look at the sky. There are many dark clouds, and the
wind is blowing strongly.
S2: _____________________________________________
(it / seems / a typhoon / that / coming / is)
2. S1: Is your father going to Beijing today
S2: No. __________________________________________
(it / appears / has been cancelled / the flight / that)
3. S1: Mary looks very sad. ___________________________
_____________________________________________
(it/ seems/ something bad/ her/ that / has happened to)
S2: I heard that her son died in the flood.
It seems that a typhoon is coming.
It appears that the flight has been cancelled.
It seems that something bad has happened to her.
Summary
time, season, weather, distance, temperature
to-infinitive:
It takes sb. time to do sth.
It is n. to do sth.
It is adj. (for sb.) to do sth.
It is adj. (of sb.) to do sth.
It seems /appears that...
Using it as the empty subject
Test yourself !
1. ___ (This/That/It) was cloudy yesterday.
2. It's ___________(possible) to achieve success without effort.
3. It's a good habit _________ (wash) our hands before meals.
4. It's necessary ____(of, for) you to practise English every day if you want to make progress.
5. It's kind ____ (of, for) the volunteers to pick up rubbish in the park.
6. It ________(seem) that Kevin didn’t sleep well last night.
It
impossible
to wash
seemed
for
of
Kevin surfed the Internet and wanted to know more about the ocean. Let's have a look at the video.
Human activities are threatening the ocean's fragile ecosystems and the benefits it provides us.
plastic
overfishing
CO2
（became acidic）
Kevin decides to write an article to call on people to protect the ocean. Can you help him to complete the sentences
seem ... warmer and warmer ... on the earth
possible ... cities be flooded and disappear ... sea level ... keep rising
everyone’s duty ... protect the ocean
wrong ... people ... throw plastic into the ocean
hundreds of years ... plastic ... break down
good idea ... stop overfishing... fishing-off season
necessary ... us ... low-carbon life
It seems that it is warmer and warmer on the earth.
It is possible that many cities may be flooded and disappear if sea level keeps rising.
It is everyone’s duty to protect the ocean.
It is wrong of people to throw plastic into the ocean.
It takes hundreds of years for plastic to break down.
It is a good idea to stop overfishing and have a fishing-off season.
It is necessary for us to live a low-carbon life.
(using it as the empty subject)
Homework
Level A: Try to make five sentences using it
as the empty subject.
Level B: Try to help Kevin to finish his article
about protecting the ocean.
【说明】本教学视频中使用的视频来源于bilibili
【reference】https://wenku./view/b958832aa8956bec0875e30f.html
Thank you !Teaching Plan
Teaching contents Grammar: Using it as the empty subject
Time 20 mins
Teacher
Students Grade 3, Junior High School
Teaching Objectives
Knowledge objectiveEnable students to know the usages of it as the empty subject. Ability objective 1. Improve students’ learning ability and develop language strategies to communicate in English. 2. Enable students to know how to use it as the empty subject correctly.Emotional objectiveRaise students’ awareness of protecting the ocean.
Teaching key points and difficult points
Key points：Students know how to use it as the empty subject of a sentence to replace a to-infinitive.Students know different sentence patterns with it as the empty subject.Difficult points：Students may have difficulty distinguishing the similar sentence structures – “it is adj. for sb. to do sth.” and “it is adj. of sb. to do sth.”
Teaching methods
Self-study, pair work
Teaching procedures
Teaching steps Teacher’s activities Students’ activities Aims
Step 1Leading-in (2 min) Show the video Nature is speaking-Ocean. Show some sentences from the video and ask students about the usage of it in them. Enjoy the video Nature is speaking-Ocean. Think about the usage of it in the sentences. To arouse students’ interest and recall the knowledge they’ve learned about it before.
Step 2Grammar learning--Usage One(4 min) Show some sentences and ask students to find out what the word it refers to in each sentence. Then help students to work out the rule. Look at some sentences and find out what the word it refers to in each sentence. Then work out the rule. To enable students to know that it can be used as the empty subject to refer to time, season, weather, distance and temperature.
Show the exercises in Part A and Part B from the textbook. Ask students to finish them. Try to finish the exercises in Part A and Part B from the textbook.
Step 3Grammar learning --Usage Two(5 min) Show two ways of expressing a sentence and ask students to compare them. Find out the difference between “It is adj. to do sth.” and “To do sth. is adj.”. To enable students to understand why people prefer to say “It is adj. to do sth.” .
Give students some sentences and ask them to summarize the sentence pattern. Try to summarize the sentence pattern of each sentence. To help students to understand four sentence patterns about using it as the empty subject to replace a to-infinitive.
Show the exercises in Part C from the textbook. Ask students to describe the pictures using it and a to-infinitive under each picture below. Try to finish the exercises in Part C from the textbook and describe the pictures using it and a to-infinitive under each picture below. To enable students to get familiar with the four sentence patterns.
Step 4Grammar learning --Usage Three(3 min) Show a picture and ask students to predict what the weather will be like. Look at a picture and predict what the weather will be like. To enable students to know “it seems/appears that...”
Show the exercises in Part D from the textbook. Ask students to find a partner to practise the conversations. Then show a model to them. Try to finish the exercises in Part D from the textbook and practise the conversations with a partner. Learn from the model. To help students to know how to use the sentence pattern “it seems/appears that...”
Step 5Summary(1 min) Summarize the three usages of using it as the empty subject. Try to remember the three usages of using it as the empty subject. To enable students to summarize what they have learned in class.
Step 6Self-checking (2 min) Ask students to finish some exercises about the three usages of it as the empty subject. Finish some exercises about the three usages of it as the empty subject. To help students to check themselves through the exercises.
Step 7Extension (3 min) Imagine what Kevin will do after he wakes up and show student a video. Enjoy the video Kevin may find on the Internet. To raise students’ awareness of protecting the ocean.
Ask students to help Kevin combine the words into sentences using it as the empty subject. Try to help Kevin complete the sentences using it as the empty subject. To practise using it as the empty subject.
Homework
Level A: Try to make five sentences using it as the empty subject.Level B: Try to help Kevin to finish his article about protecting the ocean.
